基于广义析取规划法的电动客车运行非线性模型预测控制

IF 3.9 2区 计算机科学 Q1 AUTOMATION & CONTROL SYSTEMS
Yin Yuan;Shukai Li;Chengpu Yu;Lixing Yang;Ziyou Gao
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引用次数: 0

摘要

本文基于广义析取规划(GDP)方法,研究动态环境下电动客车运行的非线性模型预测控制。具体来说,我们构建了离散事件模型来捕捉公交交通、乘客负荷和电流的动态。在安全约束条件下,我们将代数方程、断取和逻辑命题结合起来,为具有离散和连续分量的非线性最优控制问题建立了一个非凸GDP模型。针对非线性和间断问题,在模型预测控制方案下设计了一种基于GDPB的分支定界(GDPB)域约简算法。其主要思想是在关于析取项和空间析取的约束上进行分支,将具有离散和连续变量以及非线性和非凸约束和代价函数的复杂原始问题转化为具有约化域的二次规划(QP)子问题。它可以确保快速获得嵌入式应用的精确解决方案。大量的实验验证了所提出的控制方法的有效性。此外,求解算法显示出良好的计算效率,适合在线实现。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Nonlinear Model Predictive Control for Electric Bus Operations Based on Generalized Disjunctive Programming Method
This article investigates the nonlinear model predictive control (NMPC) for electric bus operations (EBOs) under dynamic environments, based on the generalized disjunctive programming (GDP) method. Specifically, we construct discrete-event model to capture the dynamic of bus traffic, passenger load, and current electricity. With the safety constraints, we incorporate algebraic equations, disjunctions, and logical propositions to formulate a nonconvex GDP model, for the nonlinear optimal control problem with both discrete and continuous components. Tailored to the nonlinearity and disjunctions, we design a GDP-based branch and bound (GDPB) algorithm with domain reduction under the model prediction control scheme. The main idea entails branching on constraints regarding disjunctive terms and spatial disjunctions, to convert the complex original problem with discrete and continuous variables as well as nonlinear and nonconvex constraints and cost functions into quadratic programming (QP) subproblems with reduced domains. It can ensure the rapid attainment of exact solutions for embedded applications. Extensive experiments confirm the effectiveness of the proposed control (PC) method. Additionally, the solution algorithm demonstrates desirable computational efficiency, suitable for online implementations.
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来源期刊
IEEE Transactions on Control Systems Technology
IEEE Transactions on Control Systems Technology 工程技术-工程:电子与电气
CiteScore
10.70
自引率
2.10%
发文量
218
审稿时长
6.7 months
期刊介绍: The IEEE Transactions on Control Systems Technology publishes high quality technical papers on technological advances in control engineering. The word technology is from the Greek technologia. The modern meaning is a scientific method to achieve a practical purpose. Control Systems Technology includes all aspects of control engineering needed to implement practical control systems, from analysis and design, through simulation and hardware. A primary purpose of the IEEE Transactions on Control Systems Technology is to have an archival publication which will bridge the gap between theory and practice. Papers are published in the IEEE Transactions on Control System Technology which disclose significant new knowledge, exploratory developments, or practical applications in all aspects of technology needed to implement control systems, from analysis and design through simulation, and hardware.
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